kbuild: re-enable int-in-bool-context warning

This warning was disabled by commit bd664f6b3e37 ("disable new
gcc-7.1.1 warnings for now") just because it was too noisy.

Thanks to Arnd Bergmann, all warnings have been fixed. Now, we are
ready to re-enable it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Arnd Bergmann <arnd@arndb.de>

diff --git a/Makefile b/Makefile
index a61a95b..2896518 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -692,7 +692,6 @@ KBUILD_CFLAGS       += $(call cc-option,-fno-delete-null-pointer-checks,)
 KBUILD_CFLAGS  += $(call cc-disable-warning,frame-address,)
 KBUILD_CFLAGS  += $(call cc-disable-warning, format-truncation)
 KBUILD_CFLAGS  += $(call cc-disable-warning, format-overflow)
-KBUILD_CFLAGS  += $(call cc-disable-warning, int-in-bool-context)
 KBUILD_CFLAGS  += $(call cc-disable-warning, address-of-packed-member)
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE